html, body {
	height: auto;
}
#main {
	padding: 20px 10px;
	color: #4c4c4c;
}
#main h1 {
	font-size: 20px;
}
#main label {
	font-size: 12px;
	color: #4c4c4c;
	padding: 10px 0;
	border-bottom: 1px solid #d9d9d9;
	display: block;
	margin-bottom: 10px;
}
#main img {
	width: 100%;
	margin-bottom: 20px;
}
#main p {
	font-size: 14px;
	line-height: 2;
	margin-bottom: 20px;
}
#summary {
	background-color: #e6e6e6;
	padding: 10px;
	border-radius: 6px;
	margin-bottom: 10px;
	font-size: 12px;
	line-height: 1.6;
}
#summary:before {
	content: "摘要";
	display: inline-block;
	padding: 2px 6px;
	background-color: #55abce;
	color: #fff;
	margin-right: 1em;
	border-radius: 4px;
}

#videoArea {
	text-align: center;
	width: 100%;
}

.video {
	display: block;
	position: relative;
}
.video .play {
	background: url(../image/play-light.png) no-repeat;
	display: block;
	position: absolute;
	left: 50%;
	top: 50%;
	z-index: 5;
	margin-left: -44px;
	margin-top: -44px;
	width: 88px;
	height: 88px;
}
.video.active {
	background: url(../image/play-dark.png) no-repeat;
}